20856880035

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9861409}}^1$

素因数の和:9861467

約数の個数: 24

約数和(自身を含む): 36921119040

約数和(自身を除く): 16064239005

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9861409, 29584227, 49307045, 88752681, 147921135, 443763405, 463486223, 1390458669, 2317431115, 4171376007, 6952293345, 20856880035]

約数ペア:

[(1, 20856880035), (3, 6952293345), (5, 4171376007), (9, 2317431115), (15, 1390458669), (45, 463486223), (47, 443763405), (141, 147921135), (235, 88752681), (423, 49307045), (705, 29584227), (2115, 9861409)]